ATLANTA — Wei-Yin Chen combined with four relievers on a seven-hitter and the Baltimore Orioles continued their success in interleague play by beating the Atlanta Braves 2-0 on Sunday. The Braves, who have lost six of seven, were shut out in back-to-back games for the first time since June 5-6, 2009. Jason Hammel threw a one-hitter in a 5-0 victory for the Orioles on Saturday night.